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Weekly Cybersecurity Newsletter – Top 50 Biggest Cybersecurity Stories of the Week

GBHackers weekly digest rounds up 50 stories including Microsoft's 973-CVE patch drop, exploited Cisco FMC flaws, and Claude agent attacks.

GBHackers' September 7-12, 2026 newsletter summarizes the 50 biggest cybersecurity stories of the week. Highlights include Microsoft patching a record 973 CVEs with two exploited zero-days, active exploitation of Cisco FMC, Check Point VPN and Ivanti flaws, China-linked crews chaining Chrome and Windows zero-days, AI agents mass-exploiting PaperCut to compromise 440 servers, and the emergence of Panzer cross-platform ransomware. It also covers Anthropic and OpenAI agentic AI incidents and CrowdStrike's SafeMind launch.

GBHackersSep 15, 11:44 UTC · 2d agoIndustry in the wild

Security Affairs newsletter Round 594 by Pierluigi Paganini – INTERNATIONAL EDITION

Weekly Security Affairs newsletter aggregates top stories including Cisco FMC exploitation, Qilin ransomware, Chrome zero-days, and Berlin leak.

Pierluigi Paganini's Security Affairs newsletter Round 594 (International Edition) rounds up the week's security headlines. Topics include attackers exploiting a critical Cisco FMC flaw to deploy Qilin ransomware, SonicWall mass exploitation linked to a UK council attack, multiple CISA KEV additions, Chrome zero-days used by four nation-state actors, a $320 million Liquid Network theft, and a Berlin ransomware data leak. It also covers AI security items such as agent sandbox failures and distillation campaigns by Chinese AI firms.

Security AffairsSep 13, 14:23 UTC · 3d agoIndustry in the wildCVE-2026-42016 CVE-2026-42018 CVE-2026-82329+1 CVEs1

Zero-Day Dominance: How Akamai Defends Before the Industry Discloses

Akamai published vendor marketing on how its platform defends customers against zero-day exploits before industry-wide disclosure.

Akamai published a blog post titled 'Zero-Day Dominance: How Akamai Defends Before the Industry Discloses'; no article body text was available. Based on the title, the piece promotes Akamai's capabilities for protecting customers from zero-day exploits ahead of public disclosure. No specific vulnerabilities, CVEs, incidents, or customers are identified.

Akamai BlogAug 28, 12:00 UTC · 20d agoIndustry

The 12 Best Managed Firewall Services, Compared and Priced

GBHackers compares 12 managed firewall service providers, naming Fortinet best value and Secureworks best detection while flagging recent ownership changes.

The buyer's guide evaluates 12 managed firewall/MSSP providers across cost tiers, contract terms, and service models. Fortinet is rated best value, Secureworks best detection, NTT Data best global reach, and Cato Networks best for organizations wanting to stop owning firewalls. The article highlights that Secureworks was acquired by Sophos for roughly $859 million in February 2025, the Trustwave-Cybereason merger was terminated in March 2025, LevelBlue is the rebranded AT&T Cybersecurity business, and Comcast Business absorbed Masergy.

GBHackersSep 8, 10:20 UTC · 9d agoIndustry 2 sources

The Collective Cyber Defense letter wrote your next vendor questionnaire

Op-ed argues the 200-company Collective Cyber Defense letter's three endorsed metrics should become standard vendor procurement questions.

More than 200 companies including Microsoft, Google, AWS, CrowdStrike, Anthropic and Okta signed an August 27 open letter calling for faster cyber defenses against AI-enabled attacks. The letter endorses three measurable metrics: coverage, containment speed, and verified remediation. The author turns those into five concrete procurement questions buyers should pose at vendor renewals, while noting the letter contains no deadlines, dollar figures or measurable targets.

CyberScoopSep 1, 10:00 UTC · 16d agoIndustry

Week in review: Compromised Zimbra servers, previously patched Citrix NetScaler flaw exploited

Help Net Security's weekly digest highlights 274 compromised Zimbra servers, Gitea and Citrix NetScaler KEV additions, a PaperCut zero-day, and a suspected Iran-linked power plant attack.

The roundup reports at least 274 internet-facing Zimbra instances compromised via CVE-2026-73570, critical Gitea CVE-2026-60004 added to CISA's KEV catalog after exploitation began, and previously patched Citrix NetScaler flaw CVE-2026-8452 exploited in the wild. It also covers PaperCut NG/MF zero-day attacks, a suspected Iran-linked shutdown of a UK power plant, an FBI seizure of domains tied to a China-linked group that hit NASA, DOJ and the Senate, a cyberattack disrupting Boston Scientific, and the Manchester Airports Group breach. Additional items include Chameleon SEO poisoning phishing, Android car head unit proxy botnet malware, ReliaQuest social engineering by ShinyHunters, fake OpenAI Codex macOS malware, and AI-related workforce and supply chain interviews.

Help Net SecurityAug 30, 00:00 UTC · 18d agoIndustry in the wildCVE-2026-73570 CVE-2026-60004 CVE-2026-8452

We've got one word for it, and it's usually the wrong one

Cisco Talos's Threat Source newsletter critiques 'burnout' terminology, describing four occupational injuries, and flags a UAT-10820 WebDAV stealer campaign at a Ukrainian government organization.

Cisco Talos's Threat Source newsletter argues that 'burnout' is the wrong word for most cybersecurity occupational harm, distinguishing exhaustion, secondary traumatic stress, vicarious trauma, and moral injury based on clinical literature from trauma-exposed professions. The featured disclosure describes a complex WebDAV infection chain found at a Ukrainian government organization, attributed with moderate confidence to the Russian-tracked actor UAT-10820 and assessed as an opportunistic cryptocurrency and credential-stealing operation. The campaign delivers the Amatera stealer alongside ZigCryptoStealer and NetSupport Manager, abusing BNB Smart Chain bulletproof hosting, fake CAPTCHA prompts, a vulnerable driver to kill EDR, and rundll32.exe execution of disguised DLLs with ordinal calls. Weekly headlines also cover a Microsoft Defender 'ShieldCrash' zero-day exploit released after September 2026 Patch Tuesday, a North Korean Linux espionage toolkit backdooring HAProxy, and a multi-hop Google-domain redirect phishing campaign.

Cisco TalosSep 10, 18:00 UTC · 6d agoIndustry in the wild1

12 Best Application Control & Allowlisting Tools Compared (2026): Features & Pricing

GBHackers compares twelve application allowlisting tools for 2026, naming ThreatLocker and Airlock Digital leaders and Microsoft WDAC the free native option.

GBHackers published an editorial comparison of twelve application control and allowlisting tools for 2026, assessing control depth, manageability, and pricing models. It ranks ThreatLocker and Airlock Digital as leading dedicated allowlisting options, positions Microsoft WDAC/AppLocker as the free native choice for Windows estates, and highlights CyberArk and BeyondTrust for coupling control with privilege management.

GBHackersSep 10, 08:24 UTC · 7d agoIndustry1

Why federal cyber defense demands an offense-driven mindset

Opinion piece argues federal agencies should prioritize exploitability and autonomous penetration testing over static CVSS-based patching, citing CISA's BOD 26-04 and NSA's CAPT program.

The author argues that static CVSS-driven patching leaves federal agencies exposed because vulnerable does not equal exploitable, and adversaries chain misconfigurations and stolen credentials instead of burning zero-days. The piece cites CISA's BOD 26-04 and the NSA's Continuous Autonomous Penetration Testing (CAPT) program, which logged 28,282 completed pentests across 822 Defense Industrial Base organizations and closed 71% of critical findings within 30 days. It recommends defining risk by exploitability and mission impact and augmenting human pentesting with autonomous validation and verification.

CyberScoopSep 8, 18:30 UTC · 8d agoIndustry

100-plus companies call for ‘global surge’ in AI

OpenAI, Anthropic, Google, Microsoft, AWS and 100+ organizations sign open letter urging a 'global surge' in AI-powered cyber defenses.

More than 100 companies including OpenAI, Anthropic, Google, Microsoft, AWS, Capital One, Mastercard, CrowdStrike, Palo Alto Networks and Proofpoint signed an open letter published Thursday calling for accelerated cybersecurity defenses as AI capabilities advance. The letter argues a shrinking 'defenders' window' exists to fix accumulated weaknesses such as excessive permissions, misconfigurations and unpatched legacy systems before AI-enabled attacks grow more widespread. It asks governments to coordinate cross-border defense and fund protection of critical infrastructure, and asks frontier AI labs to provide model access, funding and support. It references a June US executive order creating the Gold Eagle AI threat-sharing clearinghouse.

CyberScoopAug 28, 13:41 UTC · 19d agoIndustry

Frontier AI: Vulnerability Management's Systemic Revolution

Opinion: frontier AI like Anthropic's Mythos finds and exploits vulnerabilities at machine speed, forcing vulnerability and patch management programs to overhaul prioritization.

The author argues frontier AI models, exemplified by Anthropic's Mythos, can discover zero-days and chain exploits fast enough to overwhelm traditional vulnerability management. The piece recommends moving beyond CVSS, EPSS and KEV toward exposure management (CTEM) and automated, ring-based patch deployment. It also flags hard trade-offs between patching velocity and uptime requirements that organizations must resolve proactively.

The Hacker NewsAug 25, 11:14 UTC · 23d agoIndustry

America’s cyber strategy overlooks the infrastructure that actually keeps the military moving

Op-ed argues US cyber strategy underweights Iranian threats to ports, rail, utilities and other commercial infrastructure sustaining military operations.

The author, a former Navy intelligence officer, argues that a prolonged Iran conflict means sustained Iranian cyber operations targeting many smaller systems like water utilities, manufacturers and transportation providers. He cites mapping of 130 documented techniques across five Iranian threat groups and warns destructive attacks such as wipers and ransomware could hit the defense industrial base. The piece urges defensive wargames now and flags the pause in CMMC implementation as particularly concerning.

CyberScoop10:00 UTC · 2h agoIndustry

Virtual Event Today: Attack Surface Management Summit

SecurityWeek's 2026 Attack Surface Management Summit runs today as a virtual event covering asset discovery, SBOMs, red teaming, and pen-testing.

SecurityWeek is hosting its fully virtual 2026 Attack Surface Management Summit from 11AM-3PM, focused on continuous asset discovery, prioritization, and risk reduction. Sessions cover proving exploitability, SBOM and AIBOM software supply chain risk with Dr. Allan Friedman, demos from Wiz and Horizon3's NodeZero, and the roles of red teaming, bug bounty, and penetration testing in enterprise defense.

SecurityWeekSep 16, 14:35 UTC · 21h agoIndustry

Mythos has made 2026 patching hell. It might make 2027 a breeze

Gartner analyst Craig Lawson argues AI bug-hunters like Anthropic's Mythos have audited major codebases so thoroughly that 2027 could see fewer severe vulnerabilities.

Speaking at Gartner's IT Symposium in Australia, research VP Craig Lawson said AI-driven bug hunting, exemplified by Anthropic's Mythos, is uncovering flaws at unprecedented scale, citing Microsoft shipping over 970 patches in one week and a recent series of CVEs in historically secure OpenBSD. He argued vendors are also using AI to find bugs before release, retiring technical debt and shrinking future zero-day avenues. Lawson predicts 2027 may be the first year with a net drop in vulnerability severity, if not aggregate counts. He also expects AI to enable near-continuous red-teaming and faster fixes, such as generating F5 iRule syntax for virtual patches via Gemini.

The Register · SecuritySep 16, 05:54 UTC · 1d agoIndustry1

Google Search Makes It Harder to See Where a Link Really Goes Before You Click

Google now routes some Search results through opaque google.com/goto redirects, weakening hover-to-verify anti-phishing checks.

Google has begun serving some organic search results as opaque google.com/goto?url= redirects whose destinations can only be resolved server-side by Google, likely to raise scraping costs for rank trackers and archival services. The change removes the pre-click hover preview of the true destination URL, undermining a long-standing anti-phishing habit for spotting lookalike, typosquatted, or search-optimized phishing domains. Security teams are advised to rely on layered defenses such as domain reputation, DNS and web filtering, browser isolation, and user training rather than hover text.

GBHackersSep 15, 13:42 UTC · 1d agoIndustry

11 Best CSPM Tools Compared (2026): Features & Pricing

CSPM comparison ranks Wiz first for agentless attack-path analysis; notes Ermetic absorbed into Tenable and Lacework into Fortinet FortiCNAPP.

An editorial comparison of eleven CSPM tools ranks Wiz as the agentless attack-path momentum leader, Prisma Cloud as the breadth benchmark, and Orca as the agentless SideScanning pioneer. It highlights consolidation: Ermetic now powers Tenable Cloud Security and Lacework became Fortinet's FortiCNAPP. The guide recommends starting with free tiers from Defender for Cloud, Prowler, and native cloud tools before buying.

GBHackersSep 15, 06:37 UTC · 2d agoIndustry1

12 Best Endpoint Privilege Management (EPM) Tools Compared (2026): Features & Pricing

A 2026 buyer's guide compares 12 endpoint privilege management tools, ranking CyberArk and BeyondTrust as enterprise leaders.

An editorial comparison evaluates 12 endpoint privilege management (EPM) tools on elevation control, manageability, and pricing model. The guide argues that standing local-admin rights fuel ransomware and lateral movement, making their removal a high-impact control that cyber insurers increasingly mandate. CyberArk and BeyondTrust are positioned as enterprise-depth leaders, with Delinea, Heimdal, and ManageEngine for the mid-market, and Admin By Request and CyberFOX AutoElevate for SMBs and MSPs. Pricing is generally per endpoint or per user, and the article is explicitly an assessment rather than a product release or incident report.

GBHackersupdated 10:33 UTC · 1h agofirst Sep 11, 07:04 UTC · 6d agoIndustry 3 sources

Drowning in CVEs and thirsty for answers? Try CTEM

Sponsored Register piece argues traditional vulnerability management cannot scale with CVE volume and promotes Continuous Threat Exposure Management via Horizon3's NodeZero.

The sponsored article cites surging CVE volumes, CVSS triage shortcomings, NVD backlog, and AI-driven discovery accelerating an asymmetric vulnerability cycle. It outlines Gartner's five CTEM steps - scoping, discovery, prioritization, validation, and mobilization - and describes how Horizon3's NodeZero automated pentesting validates exploitable attack paths with evidence. Horizon3 says NodeZero uses a deterministic machine learning expert system rather than general LLMs, limiting generative AI to scoped tasks via AWS Bedrock.

The Register · SecuritySep 3, 15:00 UTC · 13d agoIndustry

Supply Chain Attacks in 2026: Why Threat Intelligence Is the Only Early Warning System That Works

Cyble argues supply chain attacks are a primary breach vector, citing Verizon DBIR third-party figures and CISA SBOM guidance to pitch its TPRM platform.

Cyble's vendor blog frames third-party compromise as a first-order breach risk, citing Verizon's 2026 DBIR finding that third parties were involved in 48% of breaches, up 60% year over year. It recounts the Cl0p campaigns against Progress MOVEit Transfer (CVE-2023-34362), which affected over 2,700 organizations and 93 million people, and Fortra GoAnywhere (CVE-2023-0669) with roughly 130 claimed victims. It also highlights CISA and NSA's 2026 Minimum Elements for a Software Bill of Materials covering open-source, AI, and SaaS components. The piece concludes by promoting Cyble's Third-Party Risk Management platform.

CybleSep 3, 08:21 UTC · 14d agoIndustry CVE-2023-34362 CVE-2023-0669

How Developers Prevent Production Risk at the Source

Wiz argues shift-left code-stage security cuts remediation costs and ships Wiz Code, WizOS, and WizCLI to catch flaws pre-deployment.

A Wiz blog post argues that fixing vulnerabilities at the code stage costs a fraction of production remediation, citing the node:20-slim base image which ships 14 known CVEs, three of them critical. It claims AI agents can now analyze open-source commits and generate working exploits in minutes, shrinking the window between a public fix and automated attacks. The post promotes WizOS near-zero-CVE base images, WizCLI and MCP-server checks inside developer and AI agent sessions, and Wiz Code scanning across pull requests, repositories, and pipelines covering SAST, SCA, secrets, and IaC misconfigurations.

Wiz BlogSep 3, 00:31 UTC · 14d agoIndustry1

August 2026 Patch Tuesday forecast: How do we deal with the patch apocalypse?

August 2026 Patch Tuesday forecast urges risk-based triage as AI inflates CVE volume, flags actively exploited SharePoint RCE CVE-2026-50522 and LegacyHive Windows flaw.

July 2026 Patch Tuesday set records with over 600 CVEs, including 405 for Windows 11 and Server 2025, though only two were exploited zero-days and one was publicly disclosed. The author recommends prioritizing known-exploited and internet-facing vulnerabilities, matching patches to high-risk systems, and accelerating ring-based deployment toward Microsoft's suggested three-day turnaround. Notable items include actively exploited SharePoint RCE CVE-2026-50522 enabling machine key theft, the unassigned LegacyHive Windows User Profile Service flaw, and several end-of-servicing dates for Windows and Exchange.

Help Net SecurityAug 25, 06:52 UTC · 23d agoIndustry in the wildCVE-2026-505221